Flow price: --
b822d675c2cae9192cddec81747bacedb62967adb2aa2cf6797bdeffd9075bbe

Transaction

Hash: b822d675c2cae9192cddec81747bacedb62967adb2aa2cf6797bdeffd9075bbe
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> b822d675c2cae9192cddec81747bacedb62967adb2aa2cf6797bdeffd9075bbe:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
b822d675c2cae9192cddec81747bacedb62967adb2aa2cf6797bdeffd9075bbe
Status:
ERROR
Block height:
39985071
Block id:
6c13d253a97cc16687bcc8f98baee4521da7ed90ba5d759b51700e233fe5dab9
Timestamp:
Sunday 30 October 2022 at 11:47:07 UTC
()
Proposer:
Authorizers:
Gas used:
47